I am trying to use application to upgrade from 2.2.1 to 2.4.0 and now I'm getting the exception below. Could someone please help?
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1110) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:909) at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:149) at org.codehaus.gant.GantBinding$_initializeGantBinding_closure5_closure16.doCall(GantBinding.groovy:185) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSite.invoke(PogoMetaMethodSite.java:166) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:56) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141) at org.codehaus.gant.GantBinding$_initializeGantBinding_closure5_closure16.doCall(GantBinding.groovy) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1085) at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1110) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:909) at groovy.lang.Closure.call(Closure.java:423) at groovy.lang.Closure.call(Closure.java:417) at org.codehaus.gant.GantMetaClass.processClosure(GantMetaClass.java:81) at org.codehaus.gant.GantMetaClass.processArgument(GantMetaClass.java:95) at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:128) at